Let's Debug

Test result for lms.kairosmining.com using http-01

Error
lms.kairosmining.com has an A (IPv4) record (200.75.4.214) but a request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address.
Get "http://lms.kairosmining.com/.well-known/acme-challenge/letsdebug-test": dial tcp 200.75.4.214:80: connect: no route to host

Trace:
@0ms: Making a request to http://lms.kairosmining.com/.well-known/acme-challenge/letsdebug-test (using initial IP 200.75.4.214)
@0ms: Dialing 200.75.4.214
@3153ms: Experienced error: dial tcp 200.75.4.214:80: connect: no route to host
A test authorization for lms.kairosmining.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
200.75.4.214: Fetching http://lms.kairosmining.com/.well-known/acme-challenge/3WDJR0F85sdpw9IUNVbL_RJCFzrOpRQOLN-Yevs3cAk: Error getting validation data

Submitted Nov 15 03:22:41 2023. Sat in queue for 4ms. Completed in 15s. Show verbose information.